You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
psblas3/base/tools/psb_efree_a.f90

167 lines
4.8 KiB
Fortran

!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions
! are met:
! 1. Redistributions of source code must retain the above copyright
! notice, this list of conditions and the following disclaimer.
! 2. Redistributions in binary form must reproduce the above copyright
! notice, this list of conditions, and the following disclaimer in the
! documentation and/or other materials provided with the distribution.
! 3. The name of the PSBLAS group or the names of its contributors may
! not be used to endorse or promote products derived from this
! software without specific written permission.
!
! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! POSSIBILITY OF SUCH DAMAGE.
!
!
! File: psb_efree.f90
!
! Subroutine: psb_efree
! frees a dense matrix structure
!
! Arguments:
! x(:,:) - integer, allocatable The dense matrix to be freed.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
subroutine psb_efree(x, desc_a, info)
use psb_base_mod, psb_protect_name => psb_efree
implicit none
!....parameters...
integer(psb_epk_),allocatable, intent(inout) :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
!...locals....
type(psb_ctxt_type) :: ictxt
integer(psb_ipk_) :: np,me, err_act
character(len=20) :: name
name='psb_efree'
info=psb_success_
call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
if (.not.psb_is_ok_desc(desc_a)) then
info=psb_err_forgot_spall_
call psb_errpush(info,name)
return
end if
ictxt=desc_a%get_context()
call psb_info(ictxt, me, np)
! ....verify blacs grid correctness..
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
if (.not.allocated(x)) then
info=psb_err_forgot_spall_
call psb_errpush(info,name)
goto 9999
end if
!deallocate x
deallocate(x,stat=info)
if (info /= psb_no_err_) then
info=psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
endif
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ictxt,err_act)
return
end subroutine psb_efree
! Subroutine: psb_efreev
! frees a dense matrix structure
!
! Arguments:
! x(:) - integer, allocatable The dense matrix to be freed.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
subroutine psb_efreev(x, desc_a, info)
use psb_base_mod, psb_protect_name => psb_efreev
implicit none
!....parameters...
integer(psb_epk_),allocatable, intent(inout) :: x(:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
!...locals....
type(psb_ctxt_type) :: ictxt
integer(psb_ipk_) :: np,me, err_act
character(len=20) :: name
name='psb_efreev'
info=psb_success_
call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
if (.not.psb_is_ok_desc(desc_a)) then
info=psb_err_forgot_spall_
call psb_errpush(info,name)
goto 9999
end if
ictxt=desc_a%get_context()
call psb_info(ictxt, me, np)
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
if (.not.allocated(x)) then
info=psb_err_forgot_spall_
call psb_errpush(info,name)
goto 9999
end if
!deallocate x
deallocate(x,stat=info)
if (info /= psb_no_err_) then
info=psb_err_alloc_dealloc_
call psb_errpush(info,name)
endif
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ictxt,err_act)
return
end subroutine psb_efreev